diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6dc4729..2842684 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
-## Unreleased
+## 0.3.1 (22 Aug 2022)
   * Update to fortran-src 0.10.2
-  * do some type checking for logical operators used with non LOGICAL arguments
+  * Do some type checking for logical operators used with non LOGICAL arguments
     #6
-  * add type checking for `imag`, `lshift` intrinsics
+  * Add type checking for `imag`, `lshift` intrinsics
   * MemoryLocation: change `getLocation` to return a `Maybe` type
   * Memory: expose `getTypeSize` function
 
diff --git a/fortran-vars.cabal b/fortran-vars.cabal
index 91002dc..03df706 100644
--- a/fortran-vars.cabal
+++ b/fortran-vars.cabal
@@ -5,7 +5,7 @@ cabal-version: 1.12
 -- see: https://github.com/sol/hpack
 
 name:           fortran-vars
-version:        0.3.0
+version:        0.3.1
 synopsis:       Fortran memory model and other static analysis tools.
 description:    Various Fortran static analysis tools focusing on a memory model for Fortran types. Uses fortran-src for the syntax representation.
 category:       Language
diff --git a/package.yaml b/package.yaml
index 41d8c78..795b77b 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name: fortran-vars
-version: 0.3.0
+version: 0.3.1
 synopsis: Fortran memory model and other static analysis tools.
 description: Various Fortran static analysis tools focusing on a memory model for Fortran types. Uses fortran-src for the syntax representation.
 category: Language